High severity · published Jan 20, 2026
CVE-2025-33015
Multiple Vulnerabilities in IBM Concert Software
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
IBM Concert 1.0.0 through 2.1.0 is vulnerable to malicious file upload by not validating the content of the file uploaded to the web interface.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Concert · IBM
1.0.0 through 2.1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-33015
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-33015
Vendor Advisory
https://www.ibm.com/support/pages/node/7257006
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